Which shell built-in command can be used to create a shortcut or pseudonym for a longer command? Assume a modern bourne-like shell, such as bash.

What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?

Given the following output:

# myapp
[1]+ Stopped myapp
#

Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt?

You ran out of space and added a eighth disk to your SCSI-I system. When you try to start, the system no longer boots.

What is most likely the cause of this problem?

Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes.

What command entered into a bash initialization file will have bash recognize vi keystrokes after login?

The command used to determine a file’s type is …

Which of the following commands will find the string foo in file1.txt, regardless of foo being in upper or lowercase letters?

Which of the following commands will display the last 30 lines of /var/log/bigd.log as well as new content as it is appended to the file by another process?

What is the output when the following shell command executes?

$ cat << foobar
Hello foobar
foobar

All items are required to enable USB support on a Linux system EXCEPT…